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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#pragma once
#include <atomic>
#include <cassert>
#include <memory>
#include <mutex>
#include <string>
#include <vector>
#include <openssl/ssl.h>
#include <openssl/rand.h>
#include <openssl/crypto.h>
#include <openssl/err.h>
#if OPENSSL_VERSION_NUMBER >= 0x0907000L
#include <openssl/conf.h>
#endif
class SslContext
{
public:
static void initialize(const std::string& certFilePath,
const std::string& keyFilePath,
const std::string& caFilePath,
const std::string& cipherList = "")
{
assert (!Instance);
Instance.reset(new SslContext(certFilePath, keyFilePath, caFilePath, cipherList));
}
static void uninitialize();
static SSL* newSsl()
{
return SSL_new(Instance->_ctx);
}
~SslContext();
private:
SslContext(const std::string& certFilePath,
const std::string& keyFilePath,
const std::string& caFilePath,
const std::string& cipherList);
void initDH();
void initECDH();
void shutdown();
std::string getLastErrorMsg();
// Multithreading support for OpenSSL.
// Not needed in recent (1.x?) versions.
static void lock(int mode, int n, const char* file, int line);
static unsigned long id();
static struct CRYPTO_dynlock_value* dynlockCreate(const char* file, int line);
static void dynlock(int mode, struct CRYPTO_dynlock_value* lock, const char* file, int line);
static void dynlockDestroy(struct CRYPTO_dynlock_value* lock, const char* file, int line);
private:
static std::unique_ptr<SslContext> Instance;
std::vector<std::unique_ptr<std::mutex>> _mutexes;
SSL_CTX* _ctx;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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